Untitled (bleed-through of previous page, left page); Untitled (starplane design for Condor, right page)

Graphite on off-white wove paper, affixed to off-white wove paper

Colored marker and black pen on paper

Black crayon on thin ivory wove paper

Black and white chalk on blue-gray wove paper

Graphite on off-white wove paper

Black ink on thin off-white wove tissue, darkened with the addition of an unknown substance (possibly oiled?), mounted on ivory wove paper

Graphite on paper

Graphite, ink and gouache on paper

Black crayon on off-white wove paper

Brown ink and brown wash on cream antique laid paper

Gray ink, squared in graphite, on beige wove paper

Graphite on cream wove paper